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Transformer Health Index estimation using Orthogonal Wavelet Network 基于正交小波网络的变压器健康指数估计
2015 IEEE Electrical Power and Energy Conference (EPEC) Pub Date : 2015-10-01 DOI: 10.1109/EPEC.2015.7379937
M. Ahmed, Mohamed E. Elkhatib, M. Salama, K. Shaban
{"title":"Transformer Health Index estimation using Orthogonal Wavelet Network","authors":"M. Ahmed, Mohamed E. Elkhatib, M. Salama, K. Shaban","doi":"10.1109/EPEC.2015.7379937","DOIUrl":"https://doi.org/10.1109/EPEC.2015.7379937","url":null,"abstract":"The Health Index represents a practical tool that combines the results of operating observations, field inspections, and site and laboratory testing to manage the asset and prioritize investments in capital and maintenance plans. In this paper, the Orthogonal Wavelet Network is used to estimate transformer Health Index using various transformer test results. The idea is to build a tool that can be used to assign a representative health index to each transformer based on various transformer test results. The main purpose of this research is to develop a reliable health index for substation transformers. The proposed transformer health index will provide assessment of the transformer health condition which will be useful for maintenance, ensuring optimum transformer performance, increased efficiency and also increased expected life time.","PeriodicalId":231255,"journal":{"name":"2015 IEEE Electrical Power and Energy Conference (EPEC)","volume":"83 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128367022","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 15
A computer tool to calculate zone of protection against direct lightning strokes for substations 计算变电站防直击雷击保护区域的计算机工具
2015 IEEE Electrical Power and Energy Conference (EPEC) Pub Date : 2015-10-01 DOI: 10.1109/EPEC.2015.7379964
Vinit P. Marathe, G. Karady, S. Dalal, T. LaRose
{"title":"A computer tool to calculate zone of protection against direct lightning strokes for substations","authors":"Vinit P. Marathe, G. Karady, S. Dalal, T. LaRose","doi":"10.1109/EPEC.2015.7379964","DOIUrl":"https://doi.org/10.1109/EPEC.2015.7379964","url":null,"abstract":"The paper presents a computer program that calculates the zone of protection against lightning offered by the substation shielding system. The method of calculation is based on the rolling sphere method and MATLAB is used to create this program. The two dimensional visual representation is shown that would help design engineers to position the shielding system. Finally, one case is considered in order to show the usability of the program for newly added substation equipment.","PeriodicalId":231255,"journal":{"name":"2015 IEEE Electrical Power and Energy Conference (EPEC)","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128237847","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Comparison study of different load management methods for cost and emission reduction 不同负荷管理方式的成本减排比较研究
2015 IEEE Electrical Power and Energy Conference (EPEC) Pub Date : 2015-10-01 DOI: 10.1109/EPEC.2015.7379975
Zhongyang Zhao, Caisheng Wang, Yang Wang, Carol J. Miller
{"title":"Comparison study of different load management methods for cost and emission reduction","authors":"Zhongyang Zhao, Caisheng Wang, Yang Wang, Carol J. Miller","doi":"10.1109/EPEC.2015.7379975","DOIUrl":"https://doi.org/10.1109/EPEC.2015.7379975","url":null,"abstract":"To address the challenge of climate change, reducing emissions due to electric power generation and consumption has received increasing attention worldwide. The previous research efforts have been focused on emission reduction on the generation side, but often ignored the positive impacts through active load management. This paper explores the models of load management to reduce emissions. Three kinds of load management algorithms are studied and compared in this paper using IEEE 14-Bus system. The results show that the proposed temporal and spatial load management method is the best way for emission reduction.","PeriodicalId":231255,"journal":{"name":"2015 IEEE Electrical Power and Energy Conference (EPEC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129211674","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Strategic analysis of potential conflicts in the smart grid paradigm and their effects on the planning procedures of smart distribution systems 智能电网模式中潜在冲突的战略分析及其对智能配电系统规划程序的影响
2015 IEEE Electrical Power and Energy Conference (EPEC) Pub Date : 2015-10-01 DOI: 10.1109/EPEC.2015.7379992
H. Sindi, M. Shaaban, E. El-Saadany
{"title":"Strategic analysis of potential conflicts in the smart grid paradigm and their effects on the planning procedures of smart distribution systems","authors":"H. Sindi, M. Shaaban, E. El-Saadany","doi":"10.1109/EPEC.2015.7379992","DOIUrl":"https://doi.org/10.1109/EPEC.2015.7379992","url":null,"abstract":"Smart grid technologies are prevalent, especially in systems that look almost the same today as they did decades ago (i.e., power systems). Planning a transformation requires a comprehensive understanding of future challenges. Although planning techniques are gaining enhancements with regard to optimality and accuracy, many challenges are yet to be discovered and analyzed. In this work, potential conflicting goals in the smart grid are identified, and their impact on the planning process is analyzed. Two types of conflicts can arise with conventional planning techniques. The first involves potential conflicts between distribution system operators (DSO) or the virtual power plant (TVPP) prosumers, and the second involves potential conflicts among prosumers in the operation of smart distribution systems. The research paths required to overcome these conflicts are described in this paper.","PeriodicalId":231255,"journal":{"name":"2015 IEEE Electrical Power and Energy Conference (EPEC)","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126935036","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Performance evaluation of Channel-Aware MAC protocol in smart grid 智能电网中信道感知MAC协议的性能评估
2015 IEEE Electrical Power and Energy Conference (EPEC) Pub Date : 2015-10-01 DOI: 10.1109/EPEC.2015.7379989
Abdulfattah Noorwali, R. Rao, A. Shami
{"title":"Performance evaluation of Channel-Aware MAC protocol in smart grid","authors":"Abdulfattah Noorwali, R. Rao, A. Shami","doi":"10.1109/EPEC.2015.7379989","DOIUrl":"https://doi.org/10.1109/EPEC.2015.7379989","url":null,"abstract":"An Intelligent Distributed Channel-Aware Medium Access Control (IDCA-MAC) protocol is proposed for Home Area Network (HAN), in general, and for Electrical Devices Networks (EDN), in particular, in smart grids. In an EDN, electrical devices generate critical packets, and these must be communicated to their respective mesh clients. The proposed IDCA-MAC protocol employs simultaneous transmission of data packets through a single collision domain. Also, the electrical devices and the mesh client are assumed to be equipped with Multiple Input Multiple Output (MIMO) technology. The proposed protocol is compatible with the existing IEEE 802.11 standard, and uses channel-aware Medium Access Control (MA-Aware) and the Zig-Zag decoding algorithm. Simulations are carried out using the NS-2 network simulator, and the performance of IDCA-MAC protocol is evaluated for various smart grid scenarios that are of practical significance. It is shown that the protocol is very effective and can be easily adopted in existing smart grids for improved throughput and performance.","PeriodicalId":231255,"journal":{"name":"2015 IEEE Electrical Power and Energy Conference (EPEC)","volume":"49 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127563402","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Operation challenges of feeder shunt capacitors in islanded microgrids 孤岛微电网馈线并联电容器的运行挑战
2015 IEEE Electrical Power and Energy Conference (EPEC) Pub Date : 2015-10-01 DOI: 10.1109/EPEC.2015.7379948
Nader A. El-Taweel, H. Farag
{"title":"Operation challenges of feeder shunt capacitors in islanded microgrids","authors":"Nader A. El-Taweel, H. Farag","doi":"10.1109/EPEC.2015.7379948","DOIUrl":"https://doi.org/10.1109/EPEC.2015.7379948","url":null,"abstract":"Active distribution systems are moving towards a new paradigm shift, where they can be clustered into microgrids capable of operating in both grid-tied and islanded modes depending on the penetration levels and types of the distributed generation (DG) units. Previous studies put on view lots of advantages and concerns for microgrids operation in islanded mode, whether it is initiated for emergency, intentionally planned or permanent island system purposes. One of the concerns that have not been addressed yet, is the functionality of the existing feeders shunt capacitors (FSCs) when microgrids operate in islanded mode. Hence, this paper investigates the operation conflicts between DG units and FSCs during the islanded microgrid mode of operation. These operation conflicts have been validated through conducting simulations for different local control schemes of FSCs. The results show that major voltage regulation and reactive power control problems might arise when DG units are droop-controlled and FSCs utilize conventional control schemes. Further, a new local control scheme for FSCs has been proposed to mitigate their operational challenges in islanded microgrids.","PeriodicalId":231255,"journal":{"name":"2015 IEEE Electrical Power and Energy Conference (EPEC)","volume":"82 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134554606","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
Observability analysis of power systems in the presence of hybrid measurements 存在混合测量的电力系统的可观测性分析
2015 IEEE Electrical Power and Energy Conference (EPEC) Pub Date : 2015-10-01 DOI: 10.1109/EPEC.2015.7379977
Neeraj Kumar Sharma, S. Chakrabarti, B. Jeyasurya
{"title":"Observability analysis of power systems in the presence of hybrid measurements","authors":"Neeraj Kumar Sharma, S. Chakrabarti, B. Jeyasurya","doi":"10.1109/EPEC.2015.7379977","DOIUrl":"https://doi.org/10.1109/EPEC.2015.7379977","url":null,"abstract":"Phasor measurement units (PMUs) are increasingly being used in modern power systems due to their high reporting rate and accuracy. The majority of the measurement devices in the existing power systems, however, are conventional asynchronous measurements. State-of-the-art state estimation algorithms are therefore required to include the hybrid set of measurements. Observability of the system with the given set of measurements is a pre-requisite of any state estimator. This paper proposes a numerical algorithm for observability analysis of power systems having hybrid measurements. The proposed method is demonstrated with the help of a number of test systems.","PeriodicalId":231255,"journal":{"name":"2015 IEEE Electrical Power and Energy Conference (EPEC)","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114334243","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Modular multilevel converter with short-time power intensive electrical energy storage capability 模块化多电平变换器，具有短时功率密集型电能存储能力
2015 IEEE Electrical Power and Energy Conference (EPEC) Pub Date : 2015-10-01 DOI: 10.1109/EPEC.2015.7379939
R. Álvarez, M. Pieschel, H. Gambach, E. Spahić
{"title":"Modular multilevel converter with short-time power intensive electrical energy storage capability","authors":"R. Álvarez, M. Pieschel, H. Gambach, E. Spahić","doi":"10.1109/EPEC.2015.7379939","DOIUrl":"https://doi.org/10.1109/EPEC.2015.7379939","url":null,"abstract":"The developing political and environmental reforms are driving a fast change in the energy mix of many nations. The increasing electrical energy being fed from renewable energy sources (e.g. wind and photovoltaic) impacts the dynamic behaviour of the power grid. Phasing out of existing conventional synchronous generators will adversely affect auxiliary services like voltage control and frequency regulation. Nowadays, there is no requirement by grid operators for these decoupled generation plants to provide any inertial support to the grid. Hence the integration of renewable energy sources could not serve as a complete replacement of the conventional generation. These challenges require identification of new solutions, which enhance dynamic performance and improves stability of the power grid. This paper presents one of the possible solutions to cope up with these challenges. This is based on a Modular Multilevel Converter based STATCOM i.e. SVC PLUS with power intensive storage. Preliminary results show a significant contribution of the proposed system to the dynamical behaviour and stability of the power grid.","PeriodicalId":231255,"journal":{"name":"2015 IEEE Electrical Power and Energy Conference (EPEC)","volume":"95 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115390690","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
Development of autonomous schedules of controllable loads for cost reduction and PV accommodation in residential distribution networks 住宅配电网成本降低和光伏调节的可控负荷自主调度研究
2015 IEEE Electrical Power and Energy Conference (EPEC) Pub Date : 2015-10-01 DOI: 10.1109/EPEC.2015.7379931
Saeed Alyami, Caisheng Wang, Chang Fu
{"title":"Development of autonomous schedules of controllable loads for cost reduction and PV accommodation in residential distribution networks","authors":"Saeed Alyami, Caisheng Wang, Chang Fu","doi":"10.1109/EPEC.2015.7379931","DOIUrl":"https://doi.org/10.1109/EPEC.2015.7379931","url":null,"abstract":"Load management has been widely used to manage load peaks and to reduce electricity cost for consumers. This paper investigates the operation schedules for three types of intelligent appliances (or residential controllable loads) without receiving external signals for cost saving and for assisting the management of possible photovoltaic generation systems installed in the same distribution network. The three types of controllable loads studied in the paper are electric water heaters, refrigerators deicing loads, and dishwashers, respectively. The autonomous schedules are developed for three different seasons (i.e., winter, summer and shoulder) and for weekdays and weekends based on statistical analysis of historical price and solar irradiance data for specific locations.","PeriodicalId":231255,"journal":{"name":"2015 IEEE Electrical Power and Energy Conference (EPEC)","volume":"332 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123326266","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 10
Effects of parallel load-side compensation in wireless power transfer 并行负载侧补偿在无线电力传输中的作用
2015 IEEE Electrical Power and Energy Conference (EPEC) Pub Date : 2015-10-01 DOI: 10.1109/EPEC.2015.7379978
K. Woronowicz, A. Safaee, Tim R. Dickson, Behnam Koushki
{"title":"Effects of parallel load-side compensation in wireless power transfer","authors":"K. Woronowicz, A. Safaee, Tim R. Dickson, Behnam Koushki","doi":"10.1109/EPEC.2015.7379978","DOIUrl":"https://doi.org/10.1109/EPEC.2015.7379978","url":null,"abstract":"High reliability and ever increasing cost-effectiveness of power electronics components and digital processors have resulted in high interests in inductive power transfer techniques. The interest is directed mostly at electric and hybrid passenger car battery charging, although the first solutions have already been conceptualized and turned into homologated products for much higher power levels for bus and light rail vehicles. Transformers used for automotive applications have a large air gap and relatively low coupling coefficients. High levels of output power require tuning techniques in order to eliminate or decrease the associated reactive power. In this paper a parallel load side compensation technique and its consequences are described. The analysis is done by utilizing a novel method based on Boucherot Bridge model for the wireless power transformer. The analytical results are confirmed by circuit simulation using the transformer parameters derived from finite element electromagnetic analysis.","PeriodicalId":231255,"journal":{"name":"2015 IEEE Electrical Power and Energy Conference (EPEC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125392548","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
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